| Should everyone adopt the European standard in | | | | swimmer were the public safety and water |
| its approach to public pools - with a possible twist | | | | treatment challenges. |
| from Canada and Australia? This approach is in | | | | "We simply won't sell our product to a public |
| direct conflict with legislative trends in the United | | | | swimming pool that will not count swimmers. We |
| States, led by recent changes in law by FLA and | | | | insist on that along with the already required daily |
| California, which permit as high as 50 full parts | | | | water testing," Grotte continued. |
| chlorine with swimming permitted. | | | | Pools with uncounted or high bather loads are |
| In Europe the pool operator is required to close | | | | pointed to glass as a filter media, with the glass |
| the pool if total chlorine exceeds 1.5ppm, and | | | | media being able to achieve 2 micron filtration with |
| further they permit a .5ppm minimum level when | | | | both skin cells and ECOLI microbes averaging 9 |
| .4ppm copper is present. According to Jeff | | | | microns in size. |
| Grotte, Chief Mechanical Officer for a national | | | | "The oxygen permits the chlorine from |
| water treatment company, public pools are | | | | combinating, taking the bulk of the purification." |
| required to count daily swimmers, exchange | | | | "The area where the US swimming pool |
| water at 35 liters per day per swimmer and | | | | regulations lead the world is in filter bed depth and |
| ultimately close the pool when their allotted | | | | pump flow requirements so we know the glass |
| maximum daily bather load is reached. | | | | media will achieve the 2-5 microns to get the skin |
| "Americans have been unwilling to regulate total | | | | cells and bacteria out of the pool on the first |
| swimmers per day and most states require a 5% | | | | pass," Grotte added. |
| water exchange daily, even with few swimmers," | | | | For all global sites willing to install glass as their |
| says Grotte. | | | | filter media and limit swimmers per day, they will |
| The Europeans recognized human health issues | | | | benefit from natural oxygen, ionic copper and |
| with chloramines in the 1990's and additionally | | | | CO2 control systems. The CO2 system is optional |
| recognized that the daily bather load and the 1 | | | | if reliable acid dosing and sensory systems are |
| BILLION skin cells and one quart of uric acid per | | | | already in place. |